53689374 has 24 divisors (see below), whose sum is σ = 116475840. Its totient is φ = 17873568.

The previous prime is 53689357. The next prime is 53689379. The reversal of 53689374 is 47398635.

53689374 is a `hidden beast` number, since 536 + 89 + 37 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53689379) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18387 + ... + 21105.

It is an arithmetic number, because the mean of its divisors is an integer number (4853160).

Almost surely, 2^53689374 is an apocalyptic number.

53689374 is an abundant number, since it is smaller than the sum of its proper divisors (62786466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53689374 is a wasteful number, since it uses less digits than its factorization.

53689374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3824 (or 3821 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 53689374 is about 7327.3033238702. The cubic root of 53689374 is about 377.2501722599.

The spelling of 53689374 in words is "fifty-three million, six hundred eighty-nine thousand, three hundred seventy-four".